Home / 30,726,993.11-42,402,748.87-16,788,048.24

Finding the Fourth Proportional to 30,726,993.11, 42,402,748.87 and 16,788,048.24

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Solution

The fourth proportional to 30,726,993.11, 42,402,748.87 and 16,788,048.24 is: 23,167,232.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,726,993.11 : 42,402,748.87 = 16,788,048.24 : x
  2. Step 2: Convert to fraction form
    30,726,993.11/42,402,748.87 = 16,788,048.24/x
  3. Step 3: Cross multiply
    30,726,993.11x = 42,402,748.87 × 16,788,048.24
  4. Step 4: Simplify right side
    30,726,993.11x = 711,859,393,400,140.25
  5. Step 5: Solve for x
    x = 711,859,393,400,140.25/30,726,993.11
  6. Step 6: Final answer
    x = 23,167,232.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.